Luna Innovations (LUNA) Short Interest Ratio & Short Volume $0.77 -0.08 (-9.41%) As of 08/22/2025 03:53 PM Eastern Add Compare Share Share Short Interest Stock AnalysisChartCompetitorsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Luna Innovations Short Interest DataLuna Innovations (LUNA) has a short interest of 338,600 shares, representing 1.08% of the float (the number of shares available for trading by the public). This marks a -3.15% decrease in short interest from the previous month. The short interest ratio (days to cover) is 16.8, indicating that it would take 16.8 days of the average trading volume of 152,283 shares to cover all short positions.Current Short Interest338,600 sharesPrevious Short Interest349,600 sharesChange Vs. Previous Month-3.15%Dollar Volume Sold Short$338.60 thousandShort Interest Ratio16.8 Days to CoverLast Record DateJuly 31, 2025Outstanding Shares33,959,000 sharesShort Percent of Float1.08%Today's Trading Volume17,592 sharesAverage Trading Volume152,283 sharesToday's Volume Vs. Average12% Short Selling Luna Innovations? Sign up to receive the latest short interest report for Luna Innovations and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartLUNA Short Interest Over TimeLUNA Days to Cover Over TimeLUNA Percentage of Float Shorted Over Time Luna Innovations Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 7/31/2025338,600 shares $338.60 thousand -3.2%1.1%16.8 $1.00 7/15/2025349,600 shares $297.16 thousand -1.6%N/A8.3 $0.85 6/30/2025355,300 shares $314.44 thousand +1.7%1.1%4.1 $0.89 6/15/2025349,300 shares $261.98 thousand No Change1.1%16.2 $0.75 5/31/2025349,300 shares $174.65 thousand -7.5%1.1%15.7 $0.50 5/15/2025377,400 shares $188.70 thousand No ChangeN/A18.7 $0.50 4/30/2025377,400 shares $154.73 thousand No ChangeN/A7.1 $0.41 4/15/2025377,400 shares $218.89 thousand No ChangeN/A7.1 $0.58 3/14/2025384,900 shares $265.62 thousand -0.3%N/A12.1 $0.69 2/14/2025574,500 shares $551.52 thousand -7.8%N/A6.6 $0.96 Get the Latest News and Ratings for LUNA and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Luna Innovations and its competitors with MarketBeat's FREE daily newsletter. 1/31/2025623,400 shares $498.72 thousand -28.3%N/A4.8 $0.80 1/15/2025870,000 shares $870 thousand -48.1%N/A0.3 $1.00 12/31/20241,670,000 shares $3.61 million No Change5.4%3.3 $2.16 12/15/20241,670,000 shares $2.84 million -1.2%5.3%9.8 $1.70 11/30/20241,690,000 shares $2.97 million +0.6%5.4%9.5 $1.76 11/15/20241,680,000 shares $2.74 million -10.2%5.4%9.4 $1.63 10/31/20241,870,000 shares $2.90 million -6.0%6.0%10.8 $1.55 10/15/20241,990,000 shares $2.90 million -2.0%6.4%11.1 $1.46 9/30/20242,030,000 shares $4.77 million -3.3%6.5%12 $2.35 9/15/20242,100,000 shares $4.47 million +0.5%6.7%8 $2.13 8/31/20242,090,000 shares $4.97 million -3.2%6.7%7.8 $2.38 8/15/20242,160,000 shares $5.25 million +1.9%6.9%7.1 $2.43 7/31/20242,120,000 shares $6.36 million +10.4%N/A6.4 $3.00 7/15/20241,920,000 shares $5.59 million -34.9%N/A4 $2.91 6/30/20242,950,000 shares $9.44 million -1.3%N/A5.4 $3.20 6/15/20242,990,000 shares $9.54 million -0.3%N/A5.6 $3.19 5/31/20243,000,000 shares $10.02 million +0.7%N/A4.7 $3.34 5/15/20242,980,000 shares $8.52 million -3.9%N/A4.9 $2.86 4/30/20243,100,000 shares $6.39 million +17.0%N/A5.4 $2.06 4/15/20242,650,000 shares $6.41 million +17.3%N/A6.1 $2.42 3/31/20242,260,000 shares $7.24 million +9.2%N/A6.7 $3.21 3/15/20242,070,000 shares $9.21 million +23.2%N/A7 $4.45 2/29/20241,680,000 shares $11.39 million +2.4%N/A11.7 $6.78 2/15/20241,640,000 shares $12.43 million +2.5%N/A11.2 $7.58 1/31/20241,600,000 shares $11.47 million +6.7%N/A9.3 $7.17 1/15/20241,500,000 shares $10.35 million +3.5%N/A8.3 $6.90 12/31/20231,450,000 shares $9.64 million +25.0%N/A7.6 $6.65 12/15/20231,160,000 shares $7.51 million -12.1%N/A6.2 $6.47 11/30/20231,320,000 shares $8.41 million -4.4%N/A7.3 $6.37 11/15/20231,380,000 shares $7.52 million +9.5%N/A7.8 $5.45Alex’s “Next Magnificent Seven” stocks (Ad)The original “Magnificent Seven” turned $7K into $1.18 million. Now, Alex Green has identified AI’s Next Magnificent Seven—seven stocks he believes could deliver similar gains in under six years. His full breakdown is now live.Watch the “Next Magnificent Seven” presentation here 10/31/20231,260,000 shares $7.16 million +44.4%N/A7.7 $5.68 10/15/2023872,600 shares $5.66 million +21.3%N/A5.5 $6.49 9/30/2023719,200 shares $4.21 million -1.1%N/A4.8 $5.86 9/15/2023727,100 shares $4.57 million -8.0%N/A3.2 $6.28 8/31/2023790,200 shares $5.44 million -5.9%N/A3.2 $6.89 8/15/2023840,000 shares $6.48 million +3.5%N/A3.2 $7.72 7/31/2023811,400 shares $7.34 million -8.2%N/A3.1 $9.04 7/15/2023883,700 shares $7.62 million -4.3%N/A3.3 $8.62 6/30/2023923,600 shares $8.42 million +106.8%N/A3.5 $9.12 6/15/2023446,600 shares $4.47 million +13.8%N/A1.7 $10.01 5/31/2023392,300 shares $3.62 million +32.9%N/A1.7 $9.22 5/15/2023295,100 shares $2.34 million -9.2%N/A1.3 $7.92 4/30/2023324,900 shares $2.04 million -8.8%N/A1.5 $6.28 4/15/2023356,300 shares $2.42 million -33.1%N/A1.7 $6.79 3/31/2023532,300 shares $3.83 million +21.6%N/A2.3 $7.19 3/15/2023437,700 shares $2.85 million +4.9%N/A1.6 $6.50 2/28/2023417,300 shares $4.19 million +11.2%1.3%1.9 $10.04 2/15/2023375,400 shares $3.59 million -8.6%1.2%1.8 $9.57 1/31/2023410,900 shares $3.63 million +15.4%1.3%2.2 $8.84 1/15/2023356,200 shares $3.27 million +5.3%N/A2.1 $9.17 12/30/2022338,300 shares $2.97 million +16.9%1.1%2.1 $8.79 12/15/2022289,300 shares $2.68 million -2.7%0.9%2.9 $9.28 11/30/2022297,400 shares $2.01 million +18.8%1.0%3.9 $6.76 11/15/2022250,300 shares $1.58 million -31.3%0.8%3.8 $6.33 10/31/2022364,100 shares $1.89 million +12.6%1.2%5 $5.19 10/15/2022323,300 shares $1.51 million -15.9%1.0%4 $4.67 9/30/2022384,300 shares $1.71 million +27.8%1.2%4.6 $4.44 9/15/2022300,800 shares $1.51 million +0.1%1.0%1.8 $5.01 8/31/2022300,600 shares $1.73 million -26.8%1.0%1.5 $5.75 8/15/2022410,400 shares $2.63 million +1.1%1.3%1.8 $6.42 7/31/2022405,800 shares $2.63 million -21.5%1.7%1.6 $6.47 7/15/2022516,700 shares $3.15 million -32.2%2.2%1.9 $6.09 6/30/2022761,600 shares $4.44 million -48.9%3.2%2.7 $5.83 6/15/20221,490,000 shares $8.06 million +14.6%6.2%5.3 $5.41 5/31/20221,300,000 shares $7.85 million +12.1%4.3%6.9 $6.04 5/15/20221,160,000 shares $6.24 million +3.6%3.8%6.6 $5.38 4/30/20221,120,000 shares $6.18 million +26.0%3.6%7.7 $5.52 4/15/2022888,700 shares $5.55 million -8.7%2.9%6.3 $6.24 3/31/2022973,100 shares $7.50 million +1.1%3.2%7 $7.71 3/15/2022962,400 shares $6.98 million +19.6%3.1%7 $7.25 2/28/2022804,600 shares $5.50 million -13.7%2.6%6.5 $6.83 2/15/2022932,600 shares $6.76 million +30.3%3.1%7.5 $7.25 1/31/2022715,700 shares $5.22 million +14.7%2.4%4.5 $7.29 1/15/2022624,200 shares $4.62 million -18.7%2.1%3.8 $7.40 12/31/2021768,100 shares $6.48 million -5.8%2.5%4.8 $8.44 12/15/2021815,200 shares $7.08 million +7.7%2.7%5.1 $8.68 11/30/2021757,200 shares $6.34 million -6.9%2.5%4.8 $8.37 11/15/2021813,300 shares $7.55 million -24.0%2.7%5.2 $9.28 10/29/20211,070,000 shares $10.42 million +12.7%3.5%7.8 $9.74 10/15/2021949,300 shares $8.52 million -2.9%3.2%6.9 $8.97Alex’s “Next Magnificent Seven” stocks (Ad)The original “Magnificent Seven” turned $7K into $1.18 million. Now, Alex Green has identified AI’s Next Magnificent Seven—seven stocks he believes could deliver similar gains in under six years. His full breakdown is now live.Watch the “Next Magnificent Seven” presentation here 9/30/2021978,100 shares $9.29 million -14.2%3.3%6.8 $9.50 9/15/20211,140,000 shares $11.64 million +12.9%3.8%7.9 $10.21 8/31/20211,010,000 shares $10.88 million No Change3.4%6.7 $10.77 8/13/20211,010,000 shares $11.25 million -1.0%3.4%6.7 $11.14 7/30/20211,020,000 shares $12.58 million -1.0%3.5%6 $12.33 7/15/20211,030,000 shares $10.43 million +8.7%3.7%6.6 $10.13 6/30/2021947,400 shares $10.26 million -10.6%3.4%6.4 $10.83 6/15/20211,060,000 shares $11.55 million -2.8%3.8%6.4 $10.90 5/28/20211,090,000 shares $11.06 million +10.7%3.9%6.6 $10.15 5/14/2021984,700 shares $11.06 million +1.8%3.5%5.3 $11.23 4/30/2021967,400 shares $11.27 million +4.4%3.5%5.4 $11.65 4/15/2021926,500 shares $10.55 million +20.3%3.4%4.7 $11.39 3/31/2021770,500 shares $7.90 million +0.3%2.8%3.4 $10.25 3/15/2021768,100 shares $9.24 million +3.6%2.8%3.2 $12.03 2/26/2021741,400 shares $8.85 million +7.1%2.8%2.9 $11.94 2/12/2021692,100 shares $8.17 million +15.6%2.6%2.4 $11.81 1/29/2021598,700 shares $6.51 million +8.4%2.2%2.1 $10.88 1/15/2021552,300 shares $5.87 million +33.3%2.1%2 $10.62 12/31/2020414,400 shares $3.99 million -0.2%1.5%1.7 $9.64 12/15/2020415,100 shares $3.93 million -50.0%1.5%1.7 $9.46 11/30/2020829,800 shares $8.15 million -15.1%3.1%3.7 $9.82 11/15/2020977,300 shares $7.32 million -6.0%3.6%5.2 $7.49 10/30/20201,040,000 shares $6.70 million +2.0%3.9%5.8 $6.44 10/15/20201,020,000 shares $6.66 million -7.3%3.8%5.4 $6.53 9/30/20201,100,000 shares $6.58 million -3.5%4.1%5.4 $5.98 9/15/20201,140,000 shares $7.22 million -2.6%4.2%3.8 $6.33 8/31/20201,170,000 shares $7.49 million +26.4%4.3%3.8 $6.40 LUNA Short Interest - Frequently Asked Questions What is Luna Innovations' current short interest? Short interest is the volume of Luna Innovations shares that have been sold short but have not yet been closed out or covered. As of July 31st, investors have sold 338,600 shares of LUNA short. 1.08% of Luna Innovations' shares are currently sold short. Learn More on Luna Innovations' current short interest. What is a good short interest ratio for Luna Innovations? The short interest ratio, also known as the "days to cover ratio", is calculated by dividing the number of shares of a stock sold short divided by its average trading volume. A short interest ratio ranging between 1 and 4 generally indicates strong positive sentiment about a stock and a lack of short sellers. A short interest ratio of 10 or greater indicates strong pessimism about a stock. LUNA shares currently have a short interest ratio of 17.0. Learn More on Luna Innovations's short interest ratio. What is a good short interest percentage for Luna Innovations? Companies that have a short interest as a percentage of float below 10% indicates positive investor sentiment and few short sellers. Stocks with a short interest percentage above 10% is considered high, suggesting some investors are pessimistic about the stock. Companies with a short interest percentage of 20% or more indicates widespread negative sentiment. 1.08% of Luna Innovations' floating shares are currently sold short. Is Luna Innovations' short interest increasing or decreasing? Luna Innovations saw a drop in short interest in July. As of July 31st, there was short interest totaling 338,600 shares, a drop of 3.1% from the previous total of 349,600 shares. Changes in short volume can be used to identify positive and negative investor sentiment. Investors that short sell a stock are betting that its price will decline in the future. An increase in short sale volume suggests bearish (negative) sentiment among investors. A decrease on short sale volume suggests bullish (positive) sentiment. How does Luna Innovations' short interest compare to its competitors? 1.08% of Luna Innovations' shares are currently sold short. Here is how the short interest of companies in the industry of "business services" compare to Luna Innovations: Research Solutions Inc. (0.08%), YY Group Holding Limited (0.02%), Mastech Digital, Inc. (0.42%), FiscalNote Holdings, Inc. (10.64%), MoneyHero Limited (1.18%), DLH Holdings Corp. (0.91%), Oriental Culture Holding LTD (0.80%), Bragg Gaming Group Inc. (0.86%), Izea Worldwide, Inc. (0.49%), PSQ Holdings, Inc. (13.59%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($70.87 billion), Invesco QQQ ($30.12 billion), iShares Russell 2000 ETF ($19.85 billion), iShares 20+ Year Treasury Bond ETF ($10.34 billion), Strategy Inc ($8.98 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($7.61 billion), SPDR S&P Biotech ETF ($6.81 billion), Invesco S&P 500 Equal Weight ETF ($6.14 billion), Palo Alto Networks, Inc. ($5.97 billion), and Super Micro Computer, Inc. ($5.28 billion). View all of the most shorted stocks. What does it mean to sell short Luna Innovations stock? Short selling LUNA is an investing strategy that aims to generate trading profit from Luna Innovations as its price is falling. LUNA shares are trading down $0.08 today. To short a stock, an investor borrows shares, sells them and buys the shares back on the public market later to return it to the lender. Short sellers are betting that a stock will decline in price. If the stock does drop after selling, the short seller buys it back at a lower price and returns it to the lender. The difference between the sell price and the buy price is the trader's profit. How does a short squeeze work against Luna Innovations? A short squeeze for Luna Innovations occurs when it has a large amount of short interest and its stock appreciates in price. This forces short sellers to cover their short interest positions by buying actual shares of LUNA, which in turn drives the price of the stock up even further. How often is Luna Innovations' short interest reported? Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including LUNA, twice per month. The most recent reporting period available is July, 31 2025. More Short Interest Resources from MarketBeat Related Companies RSSS Short Interest Data YYGH Short Interest Data MHH Short Interest Data NOTE Short Interest Data MNY Short Interest Data DLHC Short Interest Data OCG Short Interest Data BRAG Short Interest Data IZEA Short Interest Data PSQH Short Interest Data Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:LUNA) was last updated on 8/23/2025 by MarketBeat.com Staff From Our PartnersBONUS GUIDE - Ben Stein Prepares For the Next Financial CrisisWith inflation high, debt soaring, and global tensions rising, a financial storm may be brewing. Economist ...Goldco Precious Metals | SponsoredGENIUS Act: Cancel Your Money?A new law called the GENIUS Act could quietly trigger the most radical shift in American finance in decades. 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